Politics and government -- 51 Foreign relations -- 38 Economic integration 27 Defenses 17 National security -- 16 Foreign economic relations -- 15 History -- 14 more ... Relations -- 14 Military policy 13 Congresses 11 Congresses -- 10 Foreign relations 10 Politics and government 10 Security, International 8 World politics -- 8 Economic conditions 7 Economic conditions -- 7 Regionalism -- 7 History 6 Islam -- 6 Emigration and immigration -- 5 Ethnic relations 5 Muslims -- 5 Armed Forces 4 Arms control -- 4 Commerce -- 4 Defenses -- 4 Economic policy 4 Economic policy -- 4 Government policy 4 less ...